Family
Elkaniidae Walcott et Schuchert, 1908
Selection of related publications
Holmer, L. E.,  Popov, L. E. 2000. Class Lingulata.  Treatise on Invertebrate Paleontology, part H Brachiopoda, pp. 30-146. 
Kutorga, S. 1848. Über die Brachiopoden-Familie der Siphonotretaeae.  Verhandlungen der Russisch-Kaiserlichen Mineralogischen Gesellschaft zu St. Petersburg         250-286.
List of species
3. Tilasia rugosa Holmer, 1991 | Upper Ordovician
4. Volborthia recurva (Kutorga, 1848) | Lower Ordovician
 Loading... 
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Linguliformea | 
| Class | Lingulata | 
| Order | Lingulida | 
| Superfamily | Linguloidea | 
| Family | Aulonotretidae | 
| Elkaniidae | |
| Genus | Broeggeria | 
| Lamanskya | |
| Tilasia | |
| Volborthia | |
| Family | Eoobolidae | 
| Lingulasmatidae | |
| Lingulidae | |
| Obolidae | |
| Paterulidae | |
| Pseudolingulidae | |
| Zhanatellidae |